dead reckoning

简明释义

航迹推算积算船位推算船位

英英释义

例句

1.The pilot used dead reckoning 推算定位 to estimate their position when GPS signals were lost.

当GPS信号丢失时，飞行员使用dead reckoning 推算定位来估计他们的位置。

2.He explained how dead reckoning 推算定位 can help in situations where technology fails.

他解释了如何在技术失效的情况下，dead reckoning 推算定位可以提供帮助。

3.In the absence of landmarks, dead reckoning 推算定位 became essential for our hike in the mountains.

在没有地标的情况下，dead reckoning 推算定位对我们在山中的徒步旅行变得至关重要。

4.Navigators often combine dead reckoning 推算定位 with celestial navigation for better accuracy.

导航员通常将dead reckoning 推算定位与天文导航结合，以获得更好的准确性。

5.During our sailing trip, we relied on dead reckoning 推算定位 to navigate through the fog.

在我们的航海旅行中，我们依靠dead reckoning 推算定位在雾中导航。

作文

In the vast expanse of the ocean or the endless skies, navigation is not merely a skill; it is an art that has evolved over centuries. One of the fundamental techniques that sailors and aviators have relied upon is known as dead reckoning. This term refers to the process of estimating one's current position by using a previously determined position and accounting for factors such as speed, time, and course direction. In essence, dead reckoning involves calculating where you are based on where you've been, rather than relying solely on external references like landmarks or celestial bodies.The origins of dead reckoning can be traced back to ancient mariners who navigated the seas without the advanced technology we have today. They would keep track of their course and speed, often using simple tools like compasses and logbooks. By recording their movements, they could estimate their location even when visibility was poor or when they were far from land. This method was especially crucial during long voyages when the risk of losing one’s way was significant.While dead reckoning is still taught in navigation courses today, it is often supplemented by modern technologies such as GPS. However, understanding this traditional method remains essential for any navigator. For instance, in situations where GPS signals might be unreliable—such as in dense urban areas or remote wilderness—dead reckoning provides a reliable alternative. It teaches navigators to trust their calculations and instincts, which can be invaluable in emergencies.Moreover, dead reckoning is not limited to maritime or aerial navigation. It can also apply to various fields, including robotics and computer science. In robotics, for example, robots often use dead reckoning algorithms to determine their position as they move through an environment. By integrating data from sensors that measure distance and direction, robots can navigate spaces even when they cannot rely on external signals.The concept of dead reckoning can also be metaphorically applied to life itself. Just as navigators must make educated guesses about their position based on previous movements, individuals often find themselves charting their paths through life based on past experiences. We set goals and make decisions based on where we have been, adjusting our course as needed. This analogy highlights the importance of reflection and learning from our journeys, allowing us to navigate the complexities of life more effectively.In conclusion, dead reckoning is a vital navigational technique that emphasizes the importance of estimation and calculation based on prior knowledge. While modern technology has transformed the way we navigate, the principles of dead reckoning remain relevant across various fields. Whether at sea, in the air, or in our personal lives, understanding how to assess our position based on our journey empowers us to make informed decisions and adapt to changing circumstances. As we continue to explore new horizons, both literally and metaphorically, the lessons of dead reckoning will undoubtedly guide us along the way.

在广阔的海洋或无尽的天空中，导航不仅仅是一项技能；它是一门经过数百年演变而来的艺术。水手和飞行员依赖的一种基本技术被称为dead reckoning。这个术语指的是通过使用先前确定的位置并考虑速度、时间和航向等因素来估计当前的位置。本质上，dead reckoning涉及根据你曾经的位置来计算你在哪里，而不是仅仅依赖于地标或天体等外部参考。dead reckoning的起源可以追溯到古代海员，他们在没有我们今天先进技术的情况下导航。他们会记录自己的航程和速度，通常使用简单的工具，如指南针和航海日志。通过记录他们的运动，即使在能见度较差或远离陆地时，他们也可以估算出自己的位置。这种方法在长途航行中尤为重要，因为迷失方向的风险很大。虽然如今仍然在导航课程中教授dead reckoning，但它通常会被现代技术如GPS所补充。然而，理解这一传统方法对于任何导航员来说仍然至关重要。例如，在GPS信号可能不可靠的情况下——例如在密集的城市地区或偏远的荒野——dead reckoning提供了一个可靠的替代方案。它教会导航员信任他们的计算和直觉，这在紧急情况下是非常宝贵的。此外，dead reckoning并不仅限于海洋或航空导航。它还可以应用于各种领域，包括机器人技术和计算机科学。在机器人技术中，机器人通常使用dead reckoning算法来确定它们在环境中的位置。通过整合测量距离和方向的传感器数据，机器人可以在无法依赖外部信号的情况下导航空间。dead reckoning的概念也可以隐喻地应用于生活本身。正如导航员必须根据过去的运动做出关于自己位置的教育猜测一样，个人常常发现自己在生活中根据过去的经历制定路径。我们设定目标并根据我们所走过的道路做出决策，必要时调整我们的航向。这种类比突显了反思的重要性以及从我们的旅程中学习，使我们能够更有效地导航生活的复杂性。总之，dead reckoning是一种重要的导航技术，强调基于先前知识的估算和计算的重要性。尽管现代技术改变了我们导航的方式，但dead reckoning的原则在各个领域仍然具有相关性。无论是在海上、空中还是在我们的个人生活中，理解如何根据我们的旅程评估我们的位置使我们能够做出明智的决策并适应不断变化的环境。当我们继续探索新的地平线，无论是字面上还是隐喻上，dead reckoning的教训无疑将引导我们前进。